Three types of wires are routinely used on CNC machining centers: power wires, control wires, and signal wires, and correspondingly, there are three types of cables. As a professional machining center manufacturer, we generally require customers to choose the wires and cables used in CNC machining centers according to the requirements of GB5226.1-2002. The requirements for safe production can only be achieved by using wires and cables that meet the standards.

The wires routinely used in CNC machining centers are generally divided into four types:

• Copper or aluminum round cross-section hard wire, generally at least 16mm2 type wire is mainly used between the fixed parts of CNC machining center machine tools, and can also be used in occasions where there is minimal bending, provided that the cross-sectional area should be less than 0.5mm2.

• The twisted wire with the smallest strand of copper or aluminum, generally larger than 25m2, is mostly used for vibration-free fixed installation of CNC machining center machine tools.

• The multi-strand thin copper stranded wire is used for the installation of CNC machining center machine tools with mechanical vibration, and the parts connecting moving parts.

• The multi-strand ultra-fine copper flexible wire is used for all the wires of the frequently moving parts of the CNC machining center (such as the mechanical work moves once per hour), that is, the frequently moving parts of the CNC machining center.

What should I do if the spindle of the CNC machining center does not rotate

The transmission forms of the spindle of CNC machining center include direct connection and belt transmission. The spindle of these two transmission methods will have the phenomenon that the spindle does not rotate. The spindle of the machining center with belt transmission will not rotate. What should I do? As a professional machining center manufacturer, we have sorted out the reasons for the failure of the belt drive mode and the treatment methods for your reference:

• It is caused by the mechanical transmission failure of the CNC machining center: First, check whether the belt transmission of the main shaft of the machining center is broken.

• Check the lack of phase or reverse phase of the three-phase power supply to the spindle of the machining center: Check the power supply and replace any two power lines.

• The circuit connection of the CNC machining center is wrong: refer to the circuit connection manual carefully to ensure that the connection is correct.

• There is no corresponding spindle control signal output in the CNC machining center system: use a multimeter to measure the signal output end of the system. If there is no spindle control signal output, you need to replace the relevant IC components or send it to the factory for maintenance.

• The CNC machining center system has the corresponding spindle control signal output, but the power supply line and the control signal output line have an open circuit or the components are damaged: use a multimeter to check the power supply circuit between the CNC machining center system and the spindle motor, and the signal control circuit Whether there is an open circuit; whether there is an open circuit; whether the contacts between the wires are in poor contact; whether the AC contactor and the DC relay are damaged; check whether the thermal relay is overcurrent; check whether the fuse is burned, etc.

Conclusion

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